CN113622845B - Screw cleaning type oil extraction wellhead sampling valve replacement method - Google Patents
Screw cleaning type oil extraction wellhead sampling valve replacement method Download PDFInfo
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- CN113622845B CN113622845B CN202110787671.7A CN202110787671A CN113622845B CN 113622845 B CN113622845 B CN 113622845B CN 202110787671 A CN202110787671 A CN 202110787671A CN 113622845 B CN113622845 B CN 113622845B
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- 238000005070 sampling Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000000605 extraction Methods 0.000 title claims abstract description 23
- 238000004140 cleaning Methods 0.000 title claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 118
- 238000004804 winding Methods 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of petroleum exploitation, in particular to a method for replacing a sampling valve of a screw cleaning type oil extraction wellhead. The technical problems of the invention are as follows: the method for replacing the sampling valve of the screw thread cleaning type oil extraction wellhead is provided. The technical implementation scheme of the invention is as follows: the screw thread cleaning type oil extraction wellhead sampling valve replacement method adopts the following processing equipment, wherein the processing equipment comprises a lathe frame plate, a movable pause control wheel, a valve dismounting system, an embedded raw material belt separating system and a raw material belt winding system; a movable pause control wheel is arranged below the frame plate. The invention realizes automatic replacement of the sampling valve of the oil extraction wellhead, automatically winds up a new raw material belt, enables the raw material belt to be embedded into the thread groove on the outer surface of the valve pipe in advance in the winding process, and avoids the problems of extrusion, embedding and damage of the raw material belt and reduced tightness caused by the installation of the subsequent valve.
Description
Technical Field
The invention relates to the field of petroleum exploitation, in particular to a method for replacing a sampling valve of a screw cleaning type oil extraction wellhead.
Background
In the prior art, in the replacement process of the sampling valve of the oil extraction wellhead, the sampling valve needs to be manually unscrewed for replacement, in the replacement process, after the valve is unscrewed, a layer of raw material tape is wound on the outer surface of the valve threaded pipe, and as the valve is closed and extruded for a long time, the raw material tape is fully embedded into the threaded inner side of the valve threaded pipe, namely after the old raw material tape is manually torn off, a large amount of raw material tape fragments are adhered to the threaded groove inner side, the threaded groove distance is small, the valve is difficult to tear off, a little bit of tool is needed for scrubbing, and the efficiency is low and the steps are complicated; and after new raw material tape is wound to the threaded outer surface of the valve pipe, the valve is directly screwed at the moment, so that the inner side threads of the valve can rapidly extrude the raw material tape to the inner side of a threaded groove of the valve threaded pipe, after rapid pressurization embedding, the fracture and damage of the threaded embedded part and the outer side part of the raw material tape can occur, the sealing effect is poor, and the service life is shortened.
Aiming at the problems, the screw thread cleaning type oil extraction wellhead sampling valve replacement method is provided.
Disclosure of Invention
In order to overcome the defects that in the prior art, in the process of replacing a sampling valve of an oil extraction wellhead, the sampling valve needs to be manually unscrewed for replacement, in the replacement process, after the valve is unscrewed, a layer of raw material tape is exposed out of a threaded pipe of the valve, and as the valve is tightly extruded for a long time, the raw material tape is fully embedded into the threaded inner side of the threaded pipe of the valve, namely, after the old raw material tape is manually torn off, a large amount of raw material tape fragments are adhered to the inner side of a threaded groove, the distance between the threaded grooves is small, the valve is difficult to tear off manually, the valve needs to be rubbed off a little by a tool, and the efficiency is low and the steps are complicated; after a new raw material belt is wound on the outer surface of the valve pipe thread, the valve is directly screwed at the moment, so that the inner side thread of the valve can rapidly extrude the raw material belt to the inner side of the thread groove of the valve thread pipe, after rapid pressurization embedding, the fracture and damage of the raw material belt thread embedded part and the outer side part can occur, and the sealing effect is poor, and the service life is shortened, and the technical problem of the invention is that: the method for replacing the sampling valve of the screw thread cleaning type oil extraction wellhead is provided.
The technical implementation scheme of the invention is as follows: the screw thread cleaning type oil extraction wellhead sampling valve replacement method adopts the following processing equipment, wherein the processing equipment comprises a lathe frame plate, a movable suspension control wheel, a first electric lifting telescopic column, a second electric lifting telescopic column, a top mounting column, a valve dismounting system, an embedded raw material belt separating system, a raw material belt winding system, an air pump, an operation control screen and a pushing hand lever frame; a movable pause control wheel is arranged below the frame plate; a first electric lifting telescopic column is arranged on the inner side of the frame plate; a second electric lifting telescopic column is arranged on the inner side of the frame plate; the top of the first electric lifting telescopic column is provided with a top mounting column; the bottom of the top mounting column is connected with a second electric lifting telescopic column; one side of the top mounting column is sequentially provided with a valve dismounting system, an embedded raw material belt separating system and a raw material belt winding system; an air pump is arranged on the inner side of the frame plate; an operation control screen is arranged on one side of the top mounting column; a pushing hand bar frame is welded on one side of the frame plate; the valve disassembly system can disassemble the old sampling valve; the raw material belt embedded in the valve pipe thread inner side can be separated by the raw material belt embedded separating system; the raw material tape winding system winds a new raw material tape on the threaded surface of the valve tube.
Optionally, the valve disassembly system comprises a first electric rotating shaft seat, a mounting disc, a mounting side frame, a first power supply storage battery, a connecting column, a mounting seat, an electric sliding rail column, a first clamping and twisting plate and a second clamping and twisting plate; the first electric rotating shaft seat is arranged on one side of the top mounting column; the first electric rotating shaft seat is fixedly connected with the mounting disc; the mounting disc is connected with the mounting side frame through bolts; a first power supply storage battery is arranged on one side of the mounting side frame; the mounting disc is fixedly connected with the connecting column; the outer side of the connecting column is sleeved with the mounting side frame; the upper part of the connecting column is fixedly connected with the mounting seat; an electric sliding rail column is arranged on the inner side of the mounting seat; the outer surface of the electric sliding rail column is in sliding connection with the first clamping and twisting plate; the outer surface of the electric sliding rail column is in sliding connection with the second clamping and twisting plate.
Optionally, the embedded raw material belt separating system comprises a second electric rotating shaft seat, a calibration laser emitter, a first mounting lantern ring, a second power supply storage battery, a first electric push rod, a second electric push rod, a first electric telescopic rod, a second electric telescopic rod, a jointing arc-shaped frame, an arc-shaped friction steel wire brush, an arc-shaped mounting slat and a miniature hook slat; the second electric rotating shaft seat is arranged on one side of the top mounting column; the second electric rotating shaft seat is spliced with the calibration laser transmitter; the outer surface of the second electric rotating shaft seat is sleeved with the first mounting lantern ring; the first mounting lantern ring is connected with the second power supply storage battery through bolts; the first mounting lantern ring is spliced with the first electric push rod; the first mounting lantern ring is spliced with the second electric push rod; the first electric push rod is fixedly connected with the first electric telescopic rod; the second electric push rod is fixedly connected with the second electric telescopic rod; the second electric telescopic rod is fixedly connected with the first electric telescopic rod; the attaching arc-shaped frame is sequentially spliced with the first electric telescopic rod and the second electric telescopic rod; the arc friction steel wire brush is arranged on the inner side of the joint arc-shaped frame; the arc-shaped mounting slat is mounted on the inner side of the joint arc-shaped frame; the arc-shaped mounting strip plate is welded with the miniature hook strip plate.
Optionally, the raw material tape winding system comprises a third electric rotating shaft seat, a second mounting collar, a connecting rod, a mounting post rod, a cylindrical mounting box, a first electric telescopic block, a first semicircular supporting plate, a second electric telescopic block, a second semicircular supporting plate, a mounting post rod seat, a third electric telescopic rod, a third electric push rod and a semicircular inner thread plate; the third electric rotating shaft seat is arranged on one side of the top mounting column; the third electric rotating shaft seat is sleeved with the second mounting lantern ring; the second mounting lantern ring is fixedly connected with the connecting rod; the connecting rod is spliced with the mounting post; the mounting post rod is connected with the cylindrical mounting box through a bolt; the first electric telescopic block is arranged on the inner side of the cylindrical installation box; the first semicircular supporting plate is fixedly connected with the first electric telescopic block; the second electric telescopic block is arranged on the inner side of the cylindrical installation box; the second semicircular supporting plate is fixedly connected with the second electric telescopic block; the mounting inserted column is spliced with the third electric rotating shaft seat; the installation inserted rod seat is spliced with the installation inserted column; the third electric telescopic rod is connected with the installation inserted rod seat through a bolt; the third electric push rod is spliced with the third electric telescopic rod; the semicircular ring spiral plate is fixedly connected with the third electric push rod.
Optionally, the first semicircular supporting plate and the second semicircular supporting plate are made of elastic flexible shrinkage materials.
Optionally, a gas injection tube is respectively arranged in the middle of the top end and the middle of the bottom end of the top mounting column.
Alternatively, the collimated laser emitter may emit a cross-shaped beam.
Optionally, the inner surface of the semicircular inner thread plate is provided with convex lines matched with the thread grooves on the outer surface of the valve thread pipe.
Optionally, the method for replacing the sampling valve of the screw thread cleaning type oil extraction wellhead comprises the following steps:
Step one: valve separation, the valve disassembly system is controlled to disassemble the old sampling valve;
step two: raw material belts are separated, and an embedded raw material belt separation system is controlled to separate the raw material belts embedded into the inner sides of the threads of the valve pipes;
Step three: the raw material tape is wound, and the raw material tape winding system winds the new raw material tape on the threaded surface of the valve pipe, so that the new raw material tape is embedded into the inner side of the threads.
The beneficial effects of the invention are as follows: in order to solve the problems that in the prior art, in the replacement process of a sampling valve of an oil extraction wellhead, the sampling valve needs to be manually unscrewed for replacement, in the replacement process, after the valve is unscrewed, a layer of raw material tape is wound on the outer surface of a valve threaded pipe, and as the valve is closed and extruded for a long time, the raw material tape is fully embedded into the inner side of the threads of the valve threaded pipe, namely, after the old raw material tape is manually torn off, a large number of raw material tape fragments are adhered to the inner side of a threaded groove, the distance between the threaded grooves is small, the manual work is difficult to tear off, the raw material tape needs to be rubbed off a little by a tool, and the efficiency is low and the steps are complicated; after the new raw material belt is wound on the outer surface of the valve pipe thread, the valve is directly screwed at the moment, so that the inner thread of the valve can rapidly extrude the raw material belt to the inner side of the thread groove of the valve thread pipe, after rapid pressurization embedding, the fracture of the raw material belt thread embedded part and the outer part can occur, and the problems of poor sealing effect and shortened service life are caused;
secondly, designing a valve disassembling system, an embedded raw material tape separating system and a raw material tape winding system, firstly controlling the valve disassembling system to disassemble an old sampling valve when in use, then controlling the embedded raw material tape separating system to separate a raw material tape embedded into the inner side of a valve pipe thread, and then winding a new raw material tape on the surface of the valve pipe thread through the raw material tape winding system to enable the new raw material tape to be embedded into the inner side of the thread;
And thirdly, realizing automatic replacement of the sampling valve at the oil extraction wellhead, automatically removing the old valve, separating the old raw material tape embedded into the inner side of the valve pipe thread, automatically winding the new raw material tape, embedding the raw material tape into the thread groove on the outer surface of the valve pipe in advance in the winding process, and avoiding the problems of extrusion, embedding and damage and sealing reduction of the raw material tape caused by subsequent valve installation.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic view of a second perspective structure of the present invention;
FIG. 3 is a first perspective view of the valve disassembly system of the present invention;
FIG. 4 is a second perspective view of the valve removal system of the present invention;
FIG. 5 is a schematic view of a first perspective view of an embedded green tape separation system of the present invention;
FIG. 6 is a schematic view of a second perspective of an embedded green tape separation system of the present invention;
FIG. 7 is a schematic view of a portion of a perspective view of an embedded green tape separation system of the present invention;
FIG. 8 is a schematic perspective view of a green tape winding system according to the present invention;
FIG. 9 is a schematic view showing a partial perspective view of the green tape winding system of the present invention;
Fig. 10 is a schematic perspective view of a half ring thread plate according to the present invention.
The reference symbols in the drawings: 1: vehicle frame plate, 2: motion pause control wheel, 3: first electric lifting telescopic column, 4: second electric lifting telescopic column, 5: top mounting post, 6: valve removal system, 7: embedding a raw material belt separation system, 8: raw material tape winding system, 9: air pump, 10: operation control screen, 11: pushing the hand lever frame, 601: first electric rotating shaft seat, 602: mounting a disc, 603: mounting side frames, 604: first power supply battery, 605: connection post, 606: mounting base, 607: electric slide rail column, 608: first clamping screw plate, 609: second clamping screw plate, 701: second electric rotating shaft seat, 702: calibrating the laser transmitter, 703: first mounting collar, 704: second power supply battery, 705: first electric putter, 706: second electric putter, 707: first electric telescopic link, 708: second electric telescopic rod, 709: fitting an arc-shaped frame, 7010: arc friction wire brush, 7011: arc mounting slat, 7012: miniature hooked strip, 801: third electric rotating shaft seat, 802: second mounting collar, 803: connecting rod, 804: mounting mast, 805: cylindrical mounting box, 806: first motor telescopic block 807: first half-circle strut, 808: second electric telescopic block, 809: second half-circular support plate, 8010: mounting a plug, 8011: mounting a plug rod seat, 8012: third electric telescopic rod, 8013: third electric push rod, 8014: a semicircular ring thread plate.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Examples
1-2, The screw thread cleaning type oil extraction wellhead sampling valve replacement method adopts processing equipment, wherein the processing equipment comprises a frame plate 1, a movable pause control wheel 2, a first electric lifting telescopic column 3, a second electric lifting telescopic column 4, a top mounting column 5, a valve dismounting system 6, an embedded raw material belt separating system 7, a raw material belt winding system 8, an air pump 9, an operation control screen 10 and a pushing hand lever frame 11; a movement pause control wheel 2 is arranged below the frame plate 1; a first electric lifting telescopic column 3 is arranged on the inner side of the frame plate 1; a second electric lifting telescopic column 4 is arranged on the inner side of the frame plate 1; the top of the first electric lifting telescopic column 3 is provided with a top mounting column 5; the bottom of the top mounting column 5 is connected with the second electric lifting telescopic column 4; one side of the top mounting column 5 is sequentially provided with a valve dismounting system 6, an embedded raw material tape separating system 7 and a raw material tape winding system 8; an air pump 9 is arranged on the inner side of the frame plate 1; an operation control screen 10 is arranged on one side of the top mounting column 5; a pushing hand lever frame 11 is welded on one side of the frame plate 1; the valve removal system 6 can remove the old sampling valve; the embedded raw material belt separating system 7 can separate the raw material belt embedded inside the valve pipe thread; the raw tape winding system 8 winds a new raw tape around the valve tube threaded surface.
The working process comprises the following steps: when the device for replacing the sampling valve of the screw thread cleaning type oil extraction wellhead is used, the device is manually pushed to one side of the sampling valve, namely, the device is manually pushed to move through the pushing handle frame 11, the device is stopped to control the movement of the wheels 2 through four movements, after the device moves to one side of the valve, the device is righted, a power supply or a storage battery is externally connected, then the operation control screen 10 is opened, the storage battery in the device is connected through the operation control screen 10, firstly, the valve dismounting system 6 is controlled to dismount the old sampling valve, then the raw material tape embedded in the inner side of the valve pipe screw thread is separated, then the raw material tape embedded in the inner side of the screw thread of the valve pipe is wound by the raw material tape winding system 8, the new raw material tape is embedded in the inner side of the screw thread of the valve pipe, the automatic replacement of the oil extraction wellhead sampling valve is realized, the old valve is automatically dismounted, the old raw material tape embedded in the inner side of the screw thread of the valve pipe is separated, the new raw material tape is wound, the new raw material tape is embedded in advance in the screw thread groove of the outer surface of the valve pipe in the winding process, and the problem that the raw material tape is extruded and damaged due to the installation of the subsequent valve is avoided, and the sealing performance is lowered.
As shown in fig. 3-4, the valve disassembling system 6 comprises a first electric rotating shaft seat 601, a mounting disc 602, a mounting side frame 603, a first power supply storage battery 604, a connecting column 605, a mounting seat 606, an electric sliding rail column 607, a first clamping and rotating plate 608 and a second clamping and rotating plate 609; the first electric rotating shaft seat 601 is arranged on one side of the top mounting column 5; the first electric rotating shaft seat 601 is fixedly connected with the mounting disc 602; the mounting disc 602 is in bolt connection with the mounting side frame 603; a first power supply storage battery 604 is mounted on one side of the mounting side frame 603; the mounting disc 602 is fixedly connected with the connecting column 605; the outer side of the connecting column 605 is sleeved with the mounting side frame 603; the upper part of the connecting column 605 is fixedly connected with the mounting seat 606; an electric sliding rail column 607 is arranged on the inner side of the mounting seat 606; the outer surface of the electric slide rail column 607 is in sliding connection with the first clamping and twisting plate 608; the outer surface of the electric slide post 607 is slidably connected to a second clamping screw 609.
Firstly, the electric sliding rail column 607 is controlled to drive the first clamping and twisting plate 608 and the second clamping and twisting plate 609 to be far away from each other to open, then the equipment is moved, the opened first clamping and twisting plate 608 and the second clamping and twisting plate 609 are respectively positioned at two sides of the valve, at the moment, the control movement is stopped to control the starting of the brake device in the wheel 2, the equipment is fixed in position, then the electric sliding rail column 607 is controlled to drive the first clamping and twisting plate 608 and the second clamping and twisting plate 609 to be close to each other again to clamp the valve, then the first electric rotating seat 601 is controlled to drive the mounting disc 602 to rotate, namely the mounting disc 602 drives all parts connected with the mounting disc to rotate, and then the first clamping and twisting plate 608 and the second clamping and twisting plate 609 drive the valve clamped by the mounting disc 602 to rotate and unscrew until the valve is separated from the valve pipe, and the valve is detached.
As shown in fig. 5-7, the embedded green tape separation system 7 includes a second motorized spindle mount 701, a calibration laser transmitter 702, a first mounting collar 703, a second powered battery 704, a first motorized push rod 705, a second motorized push rod 706, a first motorized telescoping rod 707, a second motorized telescoping rod 708, a conformable arc frame 709, an arcuate friction wire brush 7010, an arcuate mounting slat 7011, and a micro hooking slat 7012; the second electric rotating shaft seat 701 is installed on one side of the top installation column 5; the second electric rotating shaft seat 701 is spliced with the calibration laser transmitter 702; the outer surface of the second electric rotating shaft seat 701 is sleeved with the first mounting lantern ring 703; the first mounting collar 703 is bolted to the second power supply battery 704; the first mounting collar 703 is plugged with the first electric push rod 705; the first mounting lantern ring 703 is plugged with the second electric push rod 706; the first electric push rod 705 is fixedly connected with the first electric telescopic rod 707; the second electric push rod 706 is fixedly connected with a second electric telescopic rod 708; the second electric telescopic rod 708 is fixedly connected with the first electric telescopic rod 707; the fitting arc frame 709 is sequentially spliced with the first electric telescopic rod 707 and the second electric telescopic rod 708; the arc friction wire brush 7010 is mounted inside the conformable arc frame 709; arcuate mounting strip 7011 is mounted inside conformable arcuate frame 709; arcuate mounting strip 7011 is welded to micro-hook strip 7012.
When the valve is detached by the valve detaching system 6, the device is moved, the micro hooking strip 7012 is positioned on one side of the threaded part of the valve pipe and calibrated by the calibration laser emitter 702, at this time, the brake device in the control wheel 2 is controlled to be started to fix the position of the device, then the first electric push rod 705 and the second electric push rod 706 are controlled to shrink, and then the first electric push rod 705 and the second electric push rod 706 drive the first electric telescopic rod 707 and the second electric telescopic rod 708 to move respectively, that is, the first electric telescopic rod 707 and the second electric telescopic rod 708 drive the attaching arc frame 709, the arc friction wire brush 7010, the arc mounting strip 7011 and the micro hooking strip 7012 to move towards the direction close to the threaded surface of the valve pipe until the arc friction wire brush 7010 is extruded and embedded into the inner side of the threaded groove, then the second electric rotating shaft seat 701 is controlled to rotate, further, the second electric rotating shaft seat 701 drives the first mounting lantern ring 703, the second power supply storage battery 704, the first electric push rod 705, the second electric push rod 706, the first electric telescopic rod 707, the second electric telescopic rod 708, the joint arc frame 709, the arc friction wire brush 7010, the arc mounting slat 7011 and the miniature hook slat 7012 to synchronously rotate, the arc friction wire brush 7010 rotates and rubs on the inner side of the threads of the valve pipe, the rust brush on the surface of the raw material belt on the inner side of the threads of the valve pipe is cleaned, the first electric telescopic rod 707 and the second electric telescopic rod 708 are controlled to stretch, then the first electric telescopic rod 707 and the second electric telescopic rod 708 drive the joint arc frame 709, the arc friction wire brush 7010, the arc mounting slat 7011 and the miniature hook slat 7012 to advance in the rotating process, namely the arc friction wire brush 7010 advances in the rotating process and advances along the lines of the threads, the method comprises the steps of cleaning a rust brush on the surface of a raw material belt on the inner side of a valve pipe thread, manually tearing the raw material belt off the end of the valve pipe thread, controlling the first electric push rod 705 and the second electric push rod 706 to stretch, namely driving the arc friction steel wire brush 7010 to leave from the valve pipe thread, manually tearing the old raw material belt, after tearing and separating, enabling the inner side of the valve pipe thread to still have raw material belt fragments which are partially embedded and adhered, controlling the first electric telescopic rod 707 and the second electric telescopic rod 708 to stretch, namely driving the arc-shaped mounting batten 7011 and the micro-hook batten 7012 to move to the starting position of the valve pipe thread, controlling the first electric push rod 705 and the second electric push rod 706 to shrink again, further controlling the micro-hook batten 7012 to be inserted into the inner side of the valve pipe thread, controlling the second electric rotary shaft seat 701 to rotate, continuously controlling the first electric telescopic rod 707 and the second electric telescopic rod 708 to stretch forwards, namely realizing continuous movement scraping of the micro-hook batten 7012 on the inner side of the thread groove, and enabling the old raw material belt fragments which are adhered to be embedded inside to be rubbed and removed, and further completing cleaning and separating of the raw material belt on the outer side of the valve pipe.
As shown in fig. 8-9, the green tape winding system 8 includes a third electric rotating shaft seat 801, a second mounting collar 802, a connecting rod 803, a mounting post 804, a cylindrical mounting box 805, a first electric expansion block 806, a first half-circular supporting plate 807, a second electric expansion block 808, a second half-circular supporting plate 809, a mounting post 8010, a mounting post seat 8011, a third electric expansion rod 8012, a third electric push rod 8013, and a half-circular ring inner screw plate 8014; the third electric rotating shaft seat 801 is installed on one side of the top installation column 5; the third electric rotating shaft seat 801 is sleeved with the second mounting collar 802; the second mounting collar 802 is fixedly connected with the connecting rod 803; the connecting rod 803 is spliced with the mounting post 804; the mounting posts 804 are bolted to the cylindrical mounting boxes 805; a first electric telescopic block 806 is mounted inside the cylindrical mounting box 805; the first semicircular strut 807 is fixedly connected with the first electric telescopic block 806; a second motor-driven telescopic block 808 is mounted inside the cylindrical mounting box 805; the second semicircular supporting plate 809 is fixedly connected with the second electric telescopic block 808; the mounting plug 8010 is spliced with the third electric rotating shaft seat 801; the mounting plug rod seat 8011 is spliced with the mounting plug post 8010; the third electric telescopic rod 8012 is in bolt connection with the mounting rod seat 8011; the third electric push rod 8013 is spliced with the third electric telescopic rod 8012; the semicircular ring thread plate 8014 is fixedly connected with the third electric push rod 8013.
Firstly, a new raw material tape roll is sleeved outside a first semicircular supporting plate 807 and a second semicircular supporting plate 809, then a first electric telescopic block 806 and a second electric telescopic block 808 are controlled to extend, and then the first electric telescopic block 806 and the second electric telescopic block 808 respectively drive the first semicircular supporting plate 807 and the second semicircular supporting plate 809 to extend outwards, further the outside raw material tape roll is supported and fixed outwards, then the end of the raw material tape roll is pulled out, the raw material tape is pulled out and wrapped on the upper surface of a threaded part of a valve threaded pipe, then a third electric push rod 8013 is controlled to extend downwards to push out, namely the third electric push rod 8013 drives a semicircular ring threaded plate 8014 to move downwards to press the raw material tape on the outer surface of the valve threaded pipe, at the moment, a third electric rotating shaft seat 801 is controlled to rotate, and then the third electric rotating shaft seat 801 drives all connected parts to rotate, the raw material belt is pressed on the outer surface of the valve threaded pipe at this time, then the raw material belt is pressed into a threaded gap on the outer surface of the valve threaded pipe in the rotation process of the semicircular inner threaded plate 8014, the mounting post rod 804 moves circumferentially at this time, the end of the raw material belt is pressed on the outer surface of the valve threaded pipe by the semicircular inner threaded plate 8014, then the raw material belt is discharged by the slow rotation of the raw material belt rolls on the outer sides of the first semicircular supporting plate 807 and the second semicircular supporting plate 809 in the circumferential movement process of the mounting post rod 804, then the raw material belt is automatically wound on the outer surface of the valve threaded pipe and is pressed into the threaded gap, and the third electric telescopic rod 8012 is controlled to be pushed slowly, namely, the third electric telescopic rod 8013 and the semicircular inner threaded plate 8014 are driven to push slowly, namely, the semicircular inner threaded plate 8014 can advance along the thread lines, and embedding all the raw material strips on the outer surface of the thread into the thread grooves, and manually cutting off the raw material strips after winding is completed.
The first semicircular strut 807 and the second semicircular strut 809 are made of an elastically bendable contractible material.
It is ensured that the roll of raw material tape can be slowly rotated on the outer surfaces of the first semicircular supporting plate 807 and the second semicircular supporting plate 809 to pay out raw material tape during the winding process of raw material tape.
The top mounting column 5 is provided with an air jet pipe at the middle part of the top and the middle part of the bottom.
The two air ejector pipes can be connected with the air pump 9 through a hose, so that the air ejector pipes can eject air flow to blow off the broken iron rust on the surface of the valve.
The collimated laser transmitter 702 may emit a cross-shaped beam.
So that the calibration laser transmitter 702 can find the center of the valve threaded pipe through cross light positioning, and then the precise processing is performed on the valve threaded pipe.
As shown in fig. 10, the inner surface of the semicircular inner thread plate 8014 is provided with convex threads matching with the thread grooves of the outer surface of the valve thread tube.
So that the raw meal tape can be pressed into the threads of the valve screw tube when the semicircular ring inner thread plate 8014 is pressed against the outer surface of the valve screw tube.
The screw thread cleaning type oil extraction wellhead sampling valve replacement method comprises the following steps:
step one: valve separation, controlling the valve disassembly system 6 to disassemble the old sampling valve;
step two: raw material belts are separated, and an embedded raw material belt separation system 7 is controlled to separate the raw material belts embedded into the inner sides of the threads of the valve pipe;
Step three: the raw material tape is wound, and the raw material tape winding system 8 winds a new raw material tape on the threaded surface of the valve pipe so that the new raw material tape is embedded into the inner side of the threads.
The technical principles of the embodiments of the present invention are described above in connection with specific embodiments. The description is only intended to explain the principles of the embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will recognize other embodiments of the present invention without undue burden, and those ways that are within the scope of the present invention.
Claims (6)
1. The method for replacing the sampling valve of the screw thread cleaning type oil extraction wellhead adopts the following processing equipment, wherein the processing equipment comprises a frame plate (1), a movable suspension control wheel (2), a first electric lifting telescopic column (3), a second electric lifting telescopic column (4) and a top mounting column (5); a movement pause control wheel (2) is arranged below the frame plate (1); a first electric lifting telescopic column (3) is arranged on the inner side of the frame plate (1); a second electric lifting telescopic column (4) is arranged on the inner side of the frame plate (1); a top mounting column (5) is arranged at the top of the first electric lifting telescopic column (3); the bottom of the top mounting column (5) is connected with the second electric lifting telescopic column (4); the method is characterized in that: the device also comprises a valve dismounting system (6), an embedded raw material belt separating system (7) and a raw material belt winding system (8); one side of the top mounting column (5) is sequentially provided with a valve dismounting system (6), an embedded raw material tape separating system (7) and a raw material tape winding system (8); the valve disassembling system (6) can disassemble the old sampling valve; the embedded raw material belt separating system (7) can separate the raw material belt embedded into the inner side of the valve pipe thread; a raw material tape winding system (8) winds a new raw material tape on the threaded surface of the valve pipe;
The valve dismantling system (6) comprises a first electric rotating shaft seat (601), a mounting disc (602), a mounting side frame (603), a first power supply storage battery (604), a connecting column (605), a mounting seat (606), an electric sliding rail column (607), a first clamping and rotating plate (608) and a second clamping and rotating plate (609); the first electric rotating shaft seat (601) is arranged at one side of the top mounting column (5); the first electric rotating shaft seat (601) is fixedly connected with the mounting disc (602); the mounting disc (602) is in bolt connection with the mounting side frame (603); a first power supply storage battery (604) is arranged on one side of the installation side frame (603); the mounting disc (602) is fixedly connected with the connecting column (605); the outer side of the connecting column (605) is sleeved with the mounting side frame (603); the upper part of the connecting column (605) is fixedly connected with the mounting seat (606); an electric sliding rail column (607) is arranged at the inner side of the mounting seat (606); the outer surface of the electric sliding rail column (607) is in sliding connection with the first clamping and twisting plate (608); the outer surface of the electric sliding rail column (607) is in sliding connection with the second clamping and twisting plate (609);
The embedded raw material belt separating system (7) comprises a second electric rotating shaft seat (701), a calibration laser transmitter (702), a first mounting sleeve ring (703), a second power supply storage battery (704), a first electric push rod (705), a second electric push rod (706), a first electric telescopic rod (707), a second electric telescopic rod (708), a jointing arc-shaped frame (709), an arc-shaped friction steel wire brush (7010), an arc-shaped mounting slat (7011) and a miniature hooking slat (7012); the second electric rotating shaft seat (701) is arranged at one side of the top mounting column (5); the second electric rotating shaft seat (701) is spliced with the calibration laser transmitter (702); the outer surface of the second electric rotating shaft seat (701) is sleeved with the first mounting lantern ring (703); the first mounting lantern ring (703) is connected with the second power supply storage battery (704) through bolts; the first mounting lantern ring (703) is spliced with the first electric push rod (705); the first mounting lantern ring (703) is spliced with the second electric push rod (706); the first electric push rod (705) is fixedly connected with the first electric telescopic rod (707); the second electric push rod (706) is fixedly connected with the second electric telescopic rod (708); the second electric telescopic rod (708) is fixedly connected with the first electric telescopic rod (707); the joint arc-shaped frame (709) is sequentially spliced with the first electric telescopic rod (707) and the second electric telescopic rod (708); the arc friction steel wire brush (7010) is arranged on the inner side of the joint arc-shaped frame (709); the arc-shaped mounting slat (7011) is mounted on the inner side of the fitting arc-shaped frame (709); the arc-shaped mounting strip plate (7011) is welded with the miniature hooking strip plate (7012);
The method for replacing the sampling valve of the screw thread cleaning type oil extraction wellhead comprises the following steps:
step one: valve separation, and controlling a valve disassembling system (6) to disassemble an old sampling valve;
step two: raw material belts are separated, and an embedded raw material belt separation system (7) is controlled to separate the raw material belts embedded into the inner sides of the threads of the valve pipes;
Step three: the raw material tape is wound, and a raw material tape winding system (8) winds a new raw material tape on the threaded surface of the valve pipe, so that the new raw material tape is embedded into the inner side of the threads.
2. The replacement method of the sampling valve of the screw cleaning type oil extraction wellhead according to claim 1, wherein the raw material tape winding system (8) comprises a third electric rotating shaft seat (801), a second mounting collar (802), a connecting rod (803), a mounting post rod (804), a cylindrical mounting box (805), a first electric telescopic block (806), a first semicircular supporting plate (807), a second electric telescopic block (808), a second semicircular supporting plate (809), a mounting inserting column (8010), a mounting inserting rod seat (8011), a third electric telescopic rod (8012), a third electric push rod (8013) and a semicircular internal screw plate (8014); the third electric rotating shaft seat (801) is arranged on one side of the top mounting column (5); the third electric rotating shaft seat (801) is sleeved with the second mounting lantern ring (802); the second mounting lantern ring (802) is fixedly connected with the connecting rod (803); the connecting rod (803) is spliced with the mounting post (804); the mounting post (804) is in bolt connection with the cylindrical mounting box (805); the first electric telescopic block (806) is arranged on the inner side of the cylindrical mounting box (805); the first semicircular supporting plate (807) is fixedly connected with the first electric telescopic block (806); the second electric telescopic block (808) is arranged on the inner side of the cylindrical mounting box (805); the second semicircular supporting plate (809) is fixedly connected with the second electric telescopic block (808); the mounting inserting column (8010) is inserted with the third electric rotating shaft seat (801); the mounting inserted rod seat (8011) is spliced with the mounting inserted column (8010); the third electric telescopic rod (8012) is connected with the installation inserted rod seat (8011) through bolts; the third electric push rod (8013) is spliced with the third electric telescopic rod (8012); the semicircular ring thread plate (8014) is fixedly connected with the third electric push rod (8013).
3. A method of replacing a screw cleaning wellhead sampling valve in accordance with claim 2 wherein the first semicircular strut (807) and the second semicircular strut (809) are of resiliently flexible contractible material.
4. A method of replacing a screw cleaning oil recovery wellhead sampling valve according to any one of claims 1 to 3, characterised in that the top mounting column (5) is provided with a gas lance at the top and bottom ends, respectively.
5. A method of replacing a screw cleaning wellhead sampling valve as claimed in claim 1 wherein the laser transmitter (702) is calibrated to emit a cross-shaped beam.
6. The method for replacing a sampling valve of a screw cleaning type oil extraction wellhead according to claim 2, wherein the inner surface of the semicircular inner screw plate (8014) is provided with convex lines matched with screw grooves on the outer surface of a screw pipe of the valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110787671.7A CN113622845B (en) | 2021-07-13 | 2021-07-13 | Screw cleaning type oil extraction wellhead sampling valve replacement method |
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| CN202110787671.7A CN113622845B (en) | 2021-07-13 | 2021-07-13 | Screw cleaning type oil extraction wellhead sampling valve replacement method |
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| CN113622845A CN113622845A (en) | 2021-11-09 |
| CN113622845B true CN113622845B (en) | 2024-05-03 |
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| CN117231156B (en) * | 2023-11-15 | 2024-02-20 | 江苏苏盐阀门机械有限公司 | Oil production wellhead device capable of safely replacing leakage valve |
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| US4436157A (en) * | 1979-08-06 | 1984-03-13 | Baker International Corporation | Latch mechanism for subsea test tree |
| US6234253B1 (en) * | 1998-11-30 | 2001-05-22 | L. Murray Dallas | Method and apparatus for well workover or servicing |
| CN107662182A (en) * | 2017-11-13 | 2018-02-06 | 重庆鼎满科技发展有限公司 | A kind of efficient counterbalance valve handling instrument |
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| CN113622845A (en) | 2021-11-09 |
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